文章介绍了在纺制毛粗纺氨纶包芯纱时，氨纶百分含量、预牵伸倍数和捻度对包芯纱强伸性和弹性的影响规律；
The influence of percentage of spandex, drafting ratio of spandex and twist of core spun yarn on tensile properties and elasticity of spandex core spun yarns on woolen spinning system were studied.
对机织物而言，斜纹的组织结构有利于织物弹性的显现，组织结构相同时，含有氨纶包芯纱织物弹性大于COPET/PTT纤维织物。
For woven fabrics, twill weave fabrics have better elasticity and the fabrics contain spandex core-spun yarns have better elasticity than COPET/PTT fabrics.
尤其适用于制造特种面丝弹性包芯纱，例如金属丝弹性包芯纱。
The core-spun yarn has good weaving performance, and is particularly suitable for making special surface wire elastic core-spun yarns such as metal wire elastic core-spun yarns.
尤其适用于制造特种面丝弹性包芯纱，例如金属丝弹性包芯纱。
The core-spun yarn has good weaving performance, and is particularly suitable for making special surface wire elastic core-spun yarns such as metal wire elastic core-spun yarns.
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